fix(shell): remove HISTIGNORE from bash_exports
fix(shell): remove HISTIGNORE from bash_exports

I prefer having these commands show up in history.

Fix gh-46

codfish/dotfiles,marc0uk/dotfiles,bronxct1/dotfiles,pmacom/dotfiles,codfish/dotfiles,bronxct1/dotfiles,necolas/dotfiles,jmyser/dotfiles